Cosmoteer: Starship Architect & Commander

Players design starships and take them into battle together in online co-op, or against each other.

Walternate Realities

Playing together

Online co-op
1 source
Online versus
1 source
Online multiplayer
1 source
Free to play
1 source
Demo
1 source
Early access
1 source
Not known yet
Players in online co-op, Players online, Best with, How co-op works, Crossplay, Local co-op, Multiplayer through mods, One copy is enough, Plays in browser, Playtest

Hover, focus or tap a fact to see where it came from.

How you talk

Not known yet
Plays without voice or typing, Wordless tools, Public matchmaking, Friendly with strangers

About the game

Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
From Steam

Screenshots

Why we rate it this way

  • 94% positive from 13,000 Steam reviews.
Steam, checked 1 Nov 2026Num reviews: 1Review score: 8Review score desc: Very PositiveTotal positive: 12237Total negative: 763Total reviews: 13000{"num_reviews":1,"review_score":8,"review_score_desc":"Very Positive","total_positive":12237,"total_negative":763,"total_reviews":13000}

Sources

First listed 1 Nov 2026. Updated 1 Nov 2026.